The drama is primarily set aboard the fictional HMS Vigil , a Trident Vanguard-class nuclear-powered ballistic missile submarine. The narrative follows Detective Chief Inspector (DCI) Amy Silva of the Scottish Police Service, who is sent to the submarine to investigate a suspicious death following the disappearance of a Scottish fishing trawler. Narrative and Themes
A central plot point involves the tension of a potential infiltration of the submarine by a foreign power, challenging the perceived safety and viability of the nuclear deterrent. Vigil (2021)
The investigation brings DCI Silva into contact with various groups, including high-level politicians and anti-nuclear activists, highlighting the domestic political entanglements of the nuclear program. Production and Impact Genre: Crime investigation / Police procedural. The drama is primarily set aboard the fictional
